Job Description

Work type: Office/Remote Technical Level: Senior Job Category: Software Development Project: Lebara

Our client is one of Europe's fastest-growing mobile companies with 5 million active customers, 1,000 employees worldwide, and operations in five countries. The client is using the mobile virtual network operator business model.


We are looking for a Senior Backend result-oriented developer who has good knowledge and experience of Nest.js.


Responsibilities:

  • Own microservices in NestJS (TypeScript): define module boundaries, version APIs, and ship resilient, well-tested services.

  • Design internal communication: implement REST/gRPC/event-driven patterns (e.g., request/response, pub/sub), handle retries, timeouts, backoff, and circuit breakers.

  • Implement secure JWT auth: access/refresh lifecycles, rotation, audience/issuer validation, revocation/bla...

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